It is not possible to identify all parts of Vasquez Rocks
beyond doubt in the episodes because it may look very different depending on the
camera angle - fortunately, because otherwise the various planets would look the
same. Nonetheless several parts of the location can be clearly recognized.

The most characteristic part of Vasquez Rocks is a massive
slanted rock formation with two spikes, consisting of distinct plates. On
postcards and on private photos this formation is most often depicted from a
plain where a parking lot is located. We will refer to this side as the front of
the rock. The two peaks are pointing to the left when looking in this
direction.

Analysis

Front side In TNG:
"Who Watches the Watchers" Riker and Troi, dressed as Mintakans, walk along the front side of
the formation. With a couple of screen caps assembled to a panorama, we get a
quite good impression of this side of Vasquez Rocks. The eye-catching slanted
rocks are located on the right, with the double peak pointing to the left. The
"duck blind" for the observation of the native Mintakans is located in
the peak.

The characteristic rocks were previously
filmed for two TOS episodes from roughly the same angle, as a comparison of the following
screen caps from TOS: "Shore Leave" and TOS: "Friday's
Child" demonstrates. On the latter picture we see the moment of the
explosion that is supposed to throw back the Capellan pursuers.

The screen cap from TOS: "Friday's Child" brings to light
that a path is leading up the rock between the uppermost double peak and
the lower peak on its left. The same episode also provides us with a view in
opposite direction, from the path down on the plain.

Another path to the other side of the tall
rock seems to be located on the very right edge of the front views examined so
far. In TNG: "Who Watches the Watchers" the Mintakans take this
way, as does Kirk in TOS: "Shore Leave".

A
shot of the front side of Vasquez Rocks was used for the Vulcan landscape near Amanda's and Sarek's house in "Star Trek (2009)". We
can see the tall rock in the center and the somewhat lower rock on the left. The latter has been digitally supplemented with a rock piece
facing in opposite direction (to the right), most likely a part of Vasquez Rocks as well. Possibly a duplicate of this rock piece, now
tilted to the left, can be seen on the right.

Another part of Vasquez Rocks is visible behind the city at the time of Spock's childhood. It is not
conclusive which part of the rock formation is visible here (perhaps the rear side?). It appears to have been digitally altered and is not
the same as the one behind Amanda's and Sarek's residence.

Rear side
TOS: "Arena" prominently features the rear side of Vasquez Rocks.
Compared to the previous prospects the
following images show the two spikes from the opposite side, so they are now
facing to the right.

The rock can be seen from roughly the same
angle in TOS: "The Alternative Factor", "Star Trek IV" and
VOY: "Initiations". In ENT: "Unexpected" the camera
position was close to the more rounded rock on the right.

The almost panoramic view of the rear side
with Kirk and the Gorn reveals something like a road between the tall rocks on
the left and the somewhat lower ones on the right. This is quite odd on a
planetoid that the Metrons have prepared, for we wouldn't expect them to use
wheeled vehicles. ;-) In one take we can even clearly see how the Gorn stands in
the middle of that road. The other picture is taken from a somewhat different
angle avoiding to include the road and shows more details of the right rock formation. These rocks
were also clearly visible from the other side in the Mintakan
panorama.

Western fort
The "western fort" of Cestus III from TOS: "Arena" was
located directly at Vasquez Rocks, but was shot in a fashion not to reveal the
prominent rocks in the background. It is possible that the wrinkled metal sheet
on the top of the wide-angle shot was deliberately used to obscure the rocks.

Vasquez Rocks shows up in the Futurama
episode "Where No Fan Has Gone Before" (the Star Trek homage with
almost all voices of the TOS cast). A photo of Vasquez Rocks is used to
represent Sherman's Planet in the Decipher Star Trek CCG, but this is non-canon
as the surface of that planet was never on screen.